Baggage Allowance for each airline varies according to the airline rules and regulations. Do check with your individual carrier.
Here are some guidelines for you to remember
Please click on the link below for custom details http://www.cbec.gov.in/
Baggage trolleys are conveniently placed throughout the airport terminals.
Keep your luggage safe by wrapping it. Applying several layers of stretch wrap plastic film around the luggage protects it from damage, tampering, theft; mishandling and pilferage. This service is provided at a reasonable charge.
Baggage wrapping services are available only at Check - in Hall, Terminal 3.
The contact number for Secure wrap is 8750274398.